Perhaps you should try some spelling variations:
"case management controls." » "case management contract.", "case management tools.", "case management concepts.", "change management controls.", "asset management controls.", "chain management controls."
"data management a." » "chain management a.", "basin management a.", "data management _."
"bank management case." » "basin management case.", "risk management case.", "change management case."
"cash management control." » "asset management control."
"debt management how." » "debt management _."
"demand management a." » "demand management _."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("waste management data.") or ("case management controls."))) or ((((((("data management a.") or ("demand management a."))) or ((((("debt management how.") OR ("debt management from."))) or ("bank management case."))))) or ("cash management control."))))) or ("land management contracts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("waste management data.") OR ("case management controls."))) OR ((((((("data management a.") OR ("demand management a."))) OR ((((("debt management how.") OR ("debt management from."))) OR ("bank management case."))))) OR ("cash management control."))))) OR ("land management contracts."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"waste management data.\") or (\"case management controls.\"))) or (((((((\"data management a.\") or (\"demand management a.\"))) or (((((\"debt management how.\") OR (\"debt management from.\"))) or (\"bank management case.\"))))) or (\"cash management control.\"))))) or (\"land management contracts.\"))*".
• Removing quotes may allow a broader search: (((((( waste management data. ) or ( case management controls. ))) or ((((((( data management a. ) or ( demand management a. ))) or ((((( debt management how. ) OR ( debt management from. ))) or ( bank management case. ))))) or ( cash management control. ))))) or ( land management contracts. ))*.